Harrington Hoists and Cranes SNER Hoist - Manual (Page 33)

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Figure 6-4 Chain Replacement
6.5 Friction Clutch
6.5.1 Friction Clutch – If abnormal operation or slippage occurs do NOT attempt to disassemble or adjust the
Friction Clutch. Replace the worn or malfunctioning Friction Clutch as an assembly with a new, factory
adjusted part.
6.6 Storage
6.6.1 The storage location should be clean and dry.
6.7 Outdoor Installation
6.7.1 For hoist installations that are outdoors, the hoist MUST BE covered and protected from the weather at
all times.
6.7.2 Possibility of corrosion on components of the hoist increases for installations where salt air and high
humidity are present. The hoist may require more frequent lubrication. Make frequent and regular
inspections of the unit's condition and operation.
6.7.3 For hoist installations where temperature variations introduce condensation into the hoist additional
inspection and more frequent lubrication may be required.
6.7.4 Refer to Section 2.1.3 for allowable environmental conditions.
6.8 Operational Environment
6.8.1 Non-conforming environment
A non-conforming environment is defined as one with any or all of the following.
• Explosive gases or vapor.
• Organic solvents or volatile powder
• Excessive amounts of powder and dust of general substances
• Excessive amount of acids or salts.